The year 2204 will be in 186 years.
2204 will be a leap year, it will have 366 days.
It will begin with a Sunday and end with a Monday.
It will be in the 23. century.
ISO 8601: The first calender week of the year will begin on Monday, January the 2. This year will have 52 calendar weeks.

Calendar for the year 2204.
The perpetual calendar can display all dates between 1800 and 2400.